Display devices
US12282223B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2024 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Mar 18, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13471
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Embodiments of the present disclosure provide a display device. The display device includes a backlight module, a first dimming box, a second dimming box, and a liquid crystal display module. The first dimming box is disposed on a light-emitting side of the backlight module. The second dimming box is disposed on a light-emitting side of the first dimming box. The liquid crystal display module is disposed on a light-emitting side of the second dimming box. A color coordinate offset between a color coordinate corresponding to a side viewing angle of 45° under the anti-peep mode and a color coordinate corresponding to a front viewing angle under the anti-peep mode is less than 0.1869.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.